I want to build a power station (sub station) like those found on the northeast corridor i.e nassau at Princeton Jct. What materials do I need, and how can I kitbash one.
You might be able to start with an existing kit and modify to meet your needs.
http://www.walthers.com/exec/productinfo/933-3025
http://www.walthers.com/exec/productinfo/933-3021